695603040872 has 16 divisors (see below), whose sum is σ = 1334587230240. Its totient is φ = 339713112816.

The previous prime is 695603040851. The next prime is 695603040889. The reversal of 695603040872 is 278040306596.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 695603040872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011050588 + ... + 1011051275.

It is an arithmetic number, because the mean of its divisors is an integer number (83411701890).

Almost surely, 2^695603040872 is an apocalyptic number.

It is an amenable number.

695603040872 is a deficient number, since it is larger than the sum of its proper divisors (638984189368).

695603040872 is a wasteful number, since it uses less digits than its factorization.

695603040872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022101912 (or 2022101908 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 695603040872 in words is "six hundred ninety-five billion, six hundred three million, forty thousand, eight hundred seventy-two".